| 46 | } |
| 47 | |
| 48 | func generateFilesWithTime(dir string, files, maxexp int, srcname string, t0 time.Time) error { |
| 49 | fd, err := os.Open(srcname) |
| 50 | if err != nil { |
| 51 | return err |
| 52 | } |
| 53 | |
| 54 | for i := 0; i < files; i++ { |
| 55 | n := randomName() |
| 56 | |
| 57 | if rand.Float64() < 0.05 { |
| 58 | // Some files and directories are dotfiles |
| 59 | n = "." + n |
| 60 | } |
| 61 | |
| 62 | p0 := filepath.Join(dir, string(n[0]), n[0:2]) |
| 63 | err = os.MkdirAll(p0, 0o755) |
| 64 | if err != nil { |
| 65 | log.Fatal(err) |
| 66 | } |
| 67 | |
| 68 | p1 := filepath.Join(p0, n) |
| 69 | |
| 70 | s := int64(1 << uint(rand.Intn(maxexp))) |
| 71 | a := int64(128 * 1024) |
| 72 | if a > s { |
| 73 | a = s |
| 74 | } |
| 75 | s += rand.Int63n(a) |
| 76 | |
| 77 | if err := generateOneFile(fd, p1, s, t0); err != nil { |
| 78 | return err |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | return nil |
| 83 | } |
| 84 | |
| 85 | func generateOneFile(fd io.ReadSeeker, p1 string, s int64, t0 time.Time) error { |
| 86 | src := io.LimitReader(&infiniteReader{fd}, int64(s)) |